package DFS;

/**
 * @Author Fizz Pu
 * @Date 2021/5/12 下午8:51
 * @Version 1.0
 * 失之毫厘，缪之千里！
 */


public class ListNode {
      public int val;
      public ListNode next;
      public ListNode() {}
      public ListNode(int val) { this.val = val; }
      public ListNode(int val, ListNode next) { this.val = val; this.next = next; }
}
